login
The OEIS Foundation is supported by donations from users of the OEIS and by a grant from the Simons Foundation.

 

Logo

Year-end appeal: Please make a donation to the OEIS Foundation to support ongoing development and maintenance of the OEIS. We are now in our 56th year, we are closing in on 350,000 sequences, and we’ve crossed 9,700 citations (which often say “discovered thanks to the OEIS”).

Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A024044 a(n) = 4^n - n^8. 2
1, 3, -240, -6497, -65280, -389601, -1675520, -5748417, -16711680, -42784577, -98951424, -210164577, -413204480, -748621857, -1207353600, -1489148801, 0, 10204111743, 57699516160, 257894343903, 1073911627776 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

LINKS

Vincenzo Librandi, Table of n, a(n) for n = 0..500

MATHEMATICA

Table[4^n-n^8, {n, 0, 20}] (* Harvey P. Dale, Sep 04 2018 *)

PROG

(MAGMA) [4^n-n^8: n in [0..30]]; // Vincenzo Librandi, Jul 02 2011

CROSSREFS

Sequence in context: A342631 A142730 A264549 * A069640 A324444 A236249

Adjacent sequences:  A024041 A024042 A024043 * A024045 A024046 A024047

KEYWORD

sign,easy

AUTHOR

N. J. A. Sloane

STATUS

approved

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recent
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified December 4 02:40 EST 2021. Contains 349469 sequences. (Running on oeis4.)